/Engine/Source/Editor/UnrealEd/Public/WorldPartition/WorldPartitionFoliageBuilder.h
Example Command Line: ProjectName MapName -run=WorldPartitionBuilderCommandlet -SCCProvider=Perforce -Builder=WorldPartitionFoliageBuilder -NewGridSize=Value.
class UWorldPartitionFoliageBuilder : public [UWorldPartitionBuilder](API\Editor\UnrealEd\WorldPartition\UWorldPartitionBuilder)